[ubuntu-us-in] Free up disk space on ext2/3 partitions
misconfiguration at gmail.com
Thu Aug 21 17:59:47 BST 2008
You mentioned out of control log files, may I recommend logrotate? I swear
by it in an enterprise environment, it is relatively simple to configure as
On Thu, Aug 21, 2008 at 12:50 PM, Miles Z Sterrett <miles.sterrett at gmail.com
> Mr. Nelson -
> Thank you very much. I ran into a similar situation recently, and didn't
> know exactly what was going on (aside from some log files were way out of
> hand). I didn't get a chance to look into it further because, of course,
> everything else was going wrong, too. HA!
> Again, thanks for the information.
> On Thu, Aug 21, 2008 at 11:25 AM, Jeremy Nelson <jeremyrnelson at gmail.com>wrote:
>> Hi all - I've run into a problem several times lately where despite my
>> SNMP checker warning me about machines with < 5% free disk space, I
>> still ran out of disk space. I had never had time to track it down
>> until it happened again this morning. I was really confounded by the
>> fact that df -h shows the following:
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/sda1 99G 93G 868M 100% /
>> Turns out that ext2/3 reserves 5% of the filesystem space for the root
>> user to allow for recovery from a disk full condition, so you actually
>> run out of space at 95% usage.
>> It turns out that this is really only necessary on root partitions,
>> and 5% on large disks is probably really overkill (and since mine are
>> VMs, anyway, I can mount the filesystem and fix the problem or simply
>> grow the device & filesystem without logging in easily enough).
>> Here's a more in depth article on it - hope this helps somebody else
>> avoid this frustration!
>> Jeremy Nelson
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